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Finding the Third Proportional to 55,785.38 and 122,617.13

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Solution

The third proportional to 55,785.38 and 122,617.13 is: 269,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,785.38 : 122,617.13 = 122,617.13 : x
  2. Step 2: Convert to fraction form
    55,785.38/122,617.13 = 122,617.13/x
  3. Step 3: Cross multiply
    55,785.38x = 122,617.13 × 122,617.13
  4. Step 4: Simplify right side
    55,785.38x = 15,034,959,343.27
  5. Step 5: Solve for x
    x = 15,034,959,343.27/55,785.38
  6. Step 6: Final answer
    x = 269,514.35

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.